CONTROL OF EARLY SEED DEVELOPMENT

Seed development requires coordinated expression of embryo and endosperm and has contributions from both sporophytic and male and female gametophytic genes. Genetic and molecular analyses in recent years have started to illuminate how products of these multiple genes interact to initiate seed develo...

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Bibliographic Details
Published in:Annual review of cell and developmental biology 2001-01, Vol.17 (1), p.677-699
Main Authors: Chaudhury, Abdul M, Koltunow, Anna, Payne, Thomas, Luo, Ming, Tucker, Mathew R, Dennis, E.S, Peacock, W.J
Format: Article
Language:English
Subjects:
apomixis
Chromatin - genetics
Chromatin - physiology
DNA Methylation
DNA, Plant - genetics
embryo
endosperm
epigenetic
Fertilization - genetics
Fertilization - physiology
Gene Expression Regulation, Developmental - genetics
Gene Expression Regulation, Developmental - physiology
Gene Expression Regulation, Plant - genetics
Gene Expression Regulation, Plant - physiology
Gene Silencing
Genomic Imprinting - genetics
Genomic Imprinting - physiology
Germ Cells - physiology
imprinting
Plant Proteins - genetics
Plant Proteins - physiology
Seeds - embryology
Seeds - genetics
Seeds - physiology
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Summary:Seed development requires coordinated expression of embryo and endosperm and has contributions from both sporophytic and male and female gametophytic genes. Genetic and molecular analyses in recent years have started to illuminate how products of these multiple genes interact to initiate seed development. Imprinting or differential expression of paternal and maternal genes seems to be involved in controlling seed development, presumably by controlling gene expression in developing endosperm. Epigenetic processes such as chromatin remodeling and DNA methylation affect imprinting of key seed-specific genes; however, the identity of many of these genes remains unknown. The discovery of FIS genes has illuminated control of autonomous endosperm development, a component of apomixis, which is an important developmental and agronomic trait. FIS genes are targets of imprinting, and the genes they control in developing endosperm are also regulated by DNA methylation and chromatin remodeling genes. These results define some exciting future areas of research in seed development.
ISSN:1081-0706
1530-8995
DOI:10.1146/annurev.cellbio.17.1.677